<?php for($i=1;$i<8;$i++){ ?>
  <div class="col-xs-4">
    <a href="./equ_detail.php?t=repair">
    <div class="section-item tran3" >
      <div class="item-img " style="background-image:url(../../assets/img/equ.jpg)" ></div>
      <div class="item-caption op6">
        <p class="caption-title">设备名称及型号</p>
        <p class="caption-subtitle oneline">设备摘要及描述</p>
      </div>
    </div>
    </a>
  </div>  
<?php } ?>